CN219272510U - Exhaust gas treatment equipment and paint spraying system - Google Patents
Exhaust gas treatment equipment and paint spraying system Download PDFInfo
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- CN219272510U CN219272510U CN202223599842.2U CN202223599842U CN219272510U CN 219272510 U CN219272510 U CN 219272510U CN 202223599842 U CN202223599842 U CN 202223599842U CN 219272510 U CN219272510 U CN 219272510U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
Abstract
The application discloses exhaust treatment equipment and paint spraying system, this exhaust treatment equipment includes: the first filtering mechanism is used for receiving the waste gas to be treated, which is input by the external equipment, and filtering the waste gas to be treated, wherein the first filtering mechanism comprises a filter layer for filtering the waste gas to be treated, and the filter layer is used for adsorbing water vapor in the waste gas to be treated; and the second filtering mechanism is used for filtering the waste gas to be treated, which is output by the first filtering mechanism, and comprises an activated carbon filter for filtering the waste gas to be treated again. The application provides an exhaust treatment equipment and paint spraying system can adsorb substances such as steam through the filter layer in the first filtering mechanism, reduces the active carbon filter in the second filtering mechanism and takes place the problem of jam when treating the exhaust gas and filter once more.
Description
Technical Field
The application relates to the field of waste gas treatment, in particular to waste gas treatment equipment and a paint spraying system.
Background
Many industry equipment can produce waste gas when producing, often causes operational environment abominable at the during operation, has brought harm to operative employee's health, also has polluted the environment, and ordinary producer production facility all need adorn purifier. Therefore, in order to solve the above problems, a new technical solution is required.
Disclosure of Invention
The application provides an exhaust-gas treatment equipment and paint spraying system, the filter layer in the first filtering mechanism can adsorb substances such as steam, reduces the active carbon filter in the second filtering mechanism and takes place the problem of jam when treating the exhaust-gas filtration once more.
A first aspect of the present embodiments provides an exhaust gas treatment apparatus, including: the device comprises a first filtering mechanism, a second filtering mechanism and a third filtering mechanism, wherein the first filtering mechanism is used for receiving waste gas to be treated input by external equipment and filtering the waste gas to be treated, and comprises a filter layer for filtering the waste gas to be treated, and the filter layer is used for adsorbing water vapor in the waste gas to be treated; and the second filtering mechanism is used for filtering the waste gas to be treated, which is output by the first filtering mechanism, and comprises an activated carbon filter for filtering the waste gas to be treated again.
The number of the filter layers is multiple, the multiple filter layers sequentially filter the waste gas to be treated, and the filtering precision of the multiple filter layers is sequentially improved.
Wherein, a plurality of filter layers at least comprise a filter cotton layer and a glass fiber layer.
The fan is used for driving the waste gas to be treated, which is input by the external equipment, to the first filtering mechanism.
The first pressure drop measuring device is used for measuring the voltage difference between two ends of the activated carbon filter; and the first alarm device is connected with the first pressure drop measuring device and is used for alarming when the voltage difference between the two ends of the activated carbon filter reaches a first difference value threshold.
The exhaust pipeline is connected with the activated carbon filter and is used for discharging the waste gas to be treated, which is filtered by the activated carbon filter; the switch valve is arranged on the exhaust pipeline and used for controlling the connection and disconnection of the exhaust pipeline; the gas detection sensor is arranged on the exhaust pipeline, and when the gas detection sensor detects that the gas in the exhaust pipeline reaches the standard, the switch valve is conducted.
The active carbon filter comprises a shell, wherein an accommodating space is formed in the shell, active carbon is arranged in the accommodating space, a first opening is formed in the shell and used for being connected with catalytic combustion equipment, and when the first opening is connected with the catalytic combustion equipment, the catalytic combustion equipment carries out catalytic regeneration on the active carbon in the accommodating space.
The second pressure drop measuring device is used for measuring the voltage difference between two ends of the waste gas treatment device; and the second alarm device is connected with the second pressure drop measuring device and is used for alarming when the voltage difference between two ends of the waste gas treatment device reaches a second difference value threshold.
A second aspect of the embodiments of the present application provides a paint spraying system, which includes the exhaust gas treatment apparatus described in any one of the above and a paint spraying apparatus as the external apparatus.
The beneficial effects of this application are: the application provides an exhaust treatment equipment includes first filter mechanism and second filter mechanism, and the filter layer that first filter mechanism included can adsorb substances such as steam to make the waste gas that waits of treating through the filter layer filter substances such as steam, and then reduce the active carbon filtration in the second filter mechanism and take place the problem of jam when waiting to handle waste gas and filter once more.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of an embodiment of an exhaust treatment device of the present application;
fig. 2 is a schematic structural diagram of an embodiment of the paint spraying system of the present application.
Detailed Description
The following description of the technical solutions in the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.
Referring to FIG. 1, in one embodiment, an exhaust treatment device 100 includes a first filter mechanism 110 and a second filter mechanism 120. The first filtering mechanism 110 is configured to receive an exhaust gas to be treated input by an external device and filter the exhaust gas to be treated, where the first filtering mechanism 110 includes a filter layer 111 configured to filter the exhaust gas to be treated, and the filter layer 111 is configured to adsorb water vapor in the exhaust gas to be treated. The second filtering mechanism 120 is used for filtering the exhaust gas to be treated output by the first filtering mechanism 110, wherein the second filtering mechanism 120 comprises an activated carbon filter 121 for filtering the exhaust gas to be treated again.
Specifically, the external device (not shown) may be a device that generates exhaust gas, such as a paint spraying device, a die casting device, etc., the exhaust gas treatment device 100 communicates with the external device, the exhaust gas to be treated enters the exhaust gas treatment device 100 from the external device, and the exhaust gas treatment device 100 may filter the exhaust gas to be treated.
The first filtering mechanism 110 is configured to adsorb dust, suspended particulate matters, condensate, etc. in the exhaust gas to be treated, where the exhaust gas to be treated may further contain water vapor, and the filtering layer 111 provided in the first filtering mechanism 110 may adsorb substances such as water vapor, so as to avoid blocking the second filtering mechanism 120 due to the water vapor, the dust, the suspended particulate matters, etc.
The second filtering mechanism 120 is connected to the first filtering mechanism 110 through a pipeline, the second filtering mechanism 120 is used for filtering the exhaust gas to be treated again, activated carbon is generally selected for adsorption, and activated carbon is placed in the activated carbon filter 121. Activated carbon has a strong adsorption capacity and can adsorb gas, liquid or colloidal solids on its surface. The adsorption of gas and liquid can be close to the mass of the active carbon, and substances such as benzene, toluene, xylene, non-methane total hydrocarbon and the like in the waste gas to be treated can be adsorbed. In order to ensure stronger adsorption, the activated carbon is honeycomb activated carbon, the iodine value is 800, and the replacement period is about 3 months.
As can be seen from the above, the exhaust gas treatment apparatus 100 includes the first filtering mechanism 110 and the second filtering mechanism 120, and the filter layer 111 in the first filtering mechanism 110 can adsorb substances such as water vapor, so that the exhaust gas to be treated passing through the filter layer 111 filters out the substances such as water vapor, and further the problem of clogging when the activated carbon filter 121 in the second filtering mechanism 120 filters the exhaust gas to be treated again is reduced.
In one embodiment, the number of the filter layers 111 is plural, and the plurality of filter layers 111 sequentially filter the exhaust gas to be treated, wherein the filtration accuracy of the plurality of filter layers 111 sequentially increases.
Specifically, in order to improve the filtering effect of the filter layer 111 on the exhaust gas to be treated, the number of the filter layers 111 is set to be plural, generally set to be 2-3, and the filtering precision of the filter layers 111 is sequentially increased from the first filter layer 111 to the n filter layer 111 on the exhaust gas to be treated, so that substances such as organic exhaust gas in the exhaust gas to be treated can be effectively filtered.
In one application scenario, the plurality of filter layers 111 includes at least a filter cotton layer and a fiberglass layer.
Specifically, the filtration accuracy of the glass fiber layer is higher than that of the filter cotton layer. The filter cotton layer can filter water vapor, dust, toluene and other substances, the glass fiber layer can filter water vapor, dust, toluene and other substances, and the filter cotton layer and the glass fiber layer can filter organic waste gas, but after filtration, the air discharge standard can not be reached, and the filter layer 111 is generally used as a pretreatment device of the activated carbon filter 121.
In other embodiments, the material of the filter layer 111 may also be synthetic fiber filter cotton or the like.
In other embodiments, the number of filter layers 111 may be one, or when the number of filter layers 111 is multiple, the filter layers 111 may be sequentially arranged as a filter cotton layer, a synthetic fiber filter cotton layer, a glass fiber layer, or other filter layers 111 with higher filtering precision.
In an embodiment, the exhaust gas treatment device 100 further comprises a fan 130 for driving the exhaust gas to be treated, which is input from an external device, to the first filtering mechanism 110.
Specifically, the blower 130 may be, for example, a centrifugal blower, an axial flow blower, and a mixed flow blower, and the kind of the blower 130 is not limited in this application. Since the exhaust gas contains inflammable substances such as non-methane total hydrocarbons, toluene and xylene, in order to improve the safety of the exhaust gas treatment device 100, the blower 130 is an explosion-proof blower, i.e. a blower which does not generate sparks, so that the problem of burning inflammable substances caused by sparks is avoided. In addition, the fan 130 can generate great noise in the operation process, and the noise can be effectively reduced by adding the shock absorber to the fan 130.
The fan 130 may drive the exhaust gas to be treated, which is input by the external device, to the first filtering mechanism 110 in a sucking manner, or may drive the exhaust gas to be treated, which is input by the external device, to the first filtering mechanism 110 in a blowing manner.
In one embodiment, the second filter mechanism 120 further includes a first pressure drop measurement device 122 and a first alarm device 123. Wherein the first pressure drop measurement device 122 is used for measuring the voltage difference across the activated carbon filter 121; the first alarm device 123 is connected to the first pressure drop measurement device 122 for alarming when the voltage difference across the activated carbon filter 121 reaches a first difference threshold.
Specifically, the first pressure drop measurement device 122 may be a device such as a differential pressure sensor, a potentiometer, or the like, and the type of the first pressure drop measurement device 122 is not limited in this application. The first pressure drop measuring device 122 is respectively connected with two ends of the activated carbon filter 121, and can measure the voltage difference between the two ends of the activated carbon filter 121, when the voltage difference reaches a first difference threshold, the activated carbon filter 121 is indicated to be blocked, and the first alarm device 123 alarms to prompt a worker to replace so as to ensure the filtering effect.
The first alarm device 123 may be, for example, a buzzer or an LED flashing light, and alarms in an audible and visual alarm manner. The first difference threshold is specifically set according to an actual working scenario, which is not limited in this application.
In one embodiment, the exhaust treatment device 100 further includes an exhaust conduit 140, an on-off valve 150, and a gas detection sensor 160. Wherein the exhaust pipe 140 is connected to the activated carbon filter 121 for discharging the exhaust gas to be treated filtered by the activated carbon filter 121; the switching valve 150 is disposed on the exhaust pipe 140 for controlling on and off of the exhaust pipe 140; the gas detection sensor 160 is provided on the exhaust pipe 140, and when the gas detection sensor 160 detects that the gas in the exhaust pipe 140 reaches the standard, the on-off valve 150 is turned on.
Specifically, the exhaust gas to be treated is filtered by the activated carbon filter 121 and then discharged through the exhaust pipe 140, and the on-off valve 150 and the gas detection sensor 160 are provided in the exhaust pipe 140. The gas detection sensor 160 may be, for example, a benzene gas detector, a toluene gas detector, and a xylene gas detector. According to the comprehensive emission standard of atmospheric pollutants, the maximum allowable emission concentration of benzene is 1mg/m 3 The highest allowable discharge rate is 0.3kg/h; the maximum allowable emission concentration of toluene is 3mg/m3 and the maximum allowable emission rate is 0.6kg/h, so that the on-off valve 150 is turned on only when the gas detection sensor 160 detects that the gas reaches the above standard, and the waste gas to be treated is discharged through the exhaust pipe 140, thereby avoiding that the waste gas to be treated is discharged without reaching the emission standard.
In one embodiment, the activated carbon filter 121 includes a housing having a space therein and an activated carbon therein, and a first opening 1212 for connecting with the catalytic combustion device 1213, wherein the catalytic combustion device 1213 performs catalytic regeneration on the activated carbon in the space when the first opening 1212 is connected with the catalytic combustion device 1213.
Specifically, the catalytic combustion device 1213 performs high-temperature desorption of the exhaust gas to be treated adsorbed on the surface of the activated carbon by the hot air, and the desorbed exhaust gas to be treated is sent to the catalytic combustion device 1213 from the first opening 1212 on the activated carbon filter 121 to be oxidized at high temperature to form carbon dioxide and water to be discharged into the atmosphere. The catalytic combustion device 1213 can catalyze and regenerate the activated carbon, which is beneficial to environmental protection and energy saving.
In one embodiment, the exhaust treatment device 100 further includes a second pressure drop measurement device 170 and a second alarm device 180. Wherein the second pressure drop measurement device 170 is configured to measure a voltage difference across the exhaust gas treatment device 100; the second alarm device 180 is connected to the second pressure drop measurement device 170 for alerting when the voltage difference across the exhaust gas treatment device 100 reaches a second difference threshold.
Specifically, the second pressure drop measurement device 170 has the same structure as the first pressure drop measurement device 122 in the above embodiment, and will not be described herein. The second alarm device 180 has the same structure as the first alarm device 123 in the above embodiment, and will not be described again.
When the second pressure drop measurement device 170 measures that the voltage difference across the exhaust gas treatment device 100 reaches the second difference threshold, it indicates that the first filter mechanism 110 and/or the second filter mechanism 120 are blocked, that is, the first filter mechanism 110 and the second filter mechanism 120 are blocked, or one of the first filter mechanism 110 and the second filter mechanism 120 is blocked, the second alarm device 180 alarms, and prompts a worker to replace the first filter mechanism and the second filter mechanism 120, so as to ensure the filtering effect.
Referring to fig. 2, a paint spraying system 200 includes an exhaust gas treatment apparatus 210 as in any of the embodiments described above and a paint spraying apparatus 220 as an external device.
Specifically, the workpiece to be painted undergoes a surface painting process inside the paint spraying apparatus 220, so that organic and inorganic waste gases and odor gases are volatilized, and the waste gases have a certain influence on the surrounding environment, and must be treated by the waste gas treatment apparatus 210 to reach the standard and then be discharged. The paint spray system 200 is provided with an exhaust treatment device 210 that is effective to filter exhaust gases to meet atmospheric emission standards.
The exhaust gas treatment device 210 has the same structure as the exhaust gas treatment device 100 in any of the above embodiments.
In one embodiment, the two sides of the paint spraying device 220 are designed by adopting the structure of the fly wing door 221, and the fly wing door 221 can be opened, so that large workpieces can be conveniently moved in and out.
To facilitate painting of some products, lifting lugs 222 are provided on the painting equipment 220 to allow for easy movement of the painting system 200.
In one embodiment, the paint spraying apparatus 220 has a length, width, height of 13.8m 3.8m 2.6m and a volume of 136m 3 The ventilation times per minute are 2-3 times according to the design specification requirements of the paint spraying device 220, and in order to obtain better paint spraying effect, the ventilation times of the paint spraying device 220 are set to be 3 times per minute, so that the air quantity of the paint spraying system 200 is set to be q=136×3×60= 24480m 3 /h。
In one embodiment, a gas concentration detector is disposed in the paint spraying apparatus 220 for detecting the concentration of oxygen and combustible gas, and the concentration can be transmitted to a remote terminal through a processor, so that the monitoring by staff is facilitated.
In one embodiment, the paint spray system 200 is integrally formed by welding channel steel and square tubes, which can enhance the strength of the paint spray system 200 and improve the efficiency in manufacturing.
The foregoing description is only of embodiments of the present application, and is not intended to limit the scope of the patent application, and all equivalent structures or equivalent processes using the descriptions and the contents of the present application or other related technical fields are included in the scope of the patent application.
Claims (10)
1. An exhaust gas treatment device, characterized in that the exhaust gas treatment device comprises:
the device comprises a first filtering mechanism, a second filtering mechanism and a third filtering mechanism, wherein the first filtering mechanism is used for receiving waste gas to be treated input by external equipment and filtering the waste gas to be treated, and comprises a filter layer for filtering the waste gas to be treated, and the filter layer is used for adsorbing water vapor in the waste gas to be treated;
and the second filtering mechanism is used for filtering the waste gas to be treated, which is output by the first filtering mechanism, and comprises an activated carbon filter for filtering the waste gas to be treated again.
2. The exhaust gas treatment apparatus according to claim 1, wherein the number of the filter layers is plural, the plural filter layers sequentially filter the exhaust gas to be treated, and wherein the filtration accuracy of the plural filter layers is sequentially improved.
3. The exhaust gas treatment device of claim 2, wherein the plurality of filter layers includes at least a filter cotton layer and a fiberglass layer.
4. The exhaust gas treatment device of claim 1, further comprising:
and the fan is used for driving the waste gas to be treated, which is input by the external equipment, to the first filtering mechanism.
5. The exhaust gas treatment device of claim 1, wherein the second filtering mechanism further comprises:
the first pressure drop measuring device is used for measuring the voltage difference between two ends of the activated carbon filter;
and the first alarm device is connected with the first pressure drop measuring device and is used for alarming when the voltage difference between the two ends of the activated carbon filter reaches a first difference value threshold.
6. The exhaust gas treatment device of claim 1, further comprising:
the exhaust pipeline is connected with the activated carbon filter and is used for discharging the waste gas to be treated which is filtered by the activated carbon filter;
the switch valve is arranged on the exhaust pipeline and used for controlling the connection and disconnection of the exhaust pipeline;
the gas detection sensor is arranged on the exhaust pipeline, and when the gas detection sensor detects that the gas in the exhaust pipeline reaches the standard, the switch valve is conducted.
7. The exhaust gas treatment device according to claim 1, wherein the activated carbon filter comprises a housing, a housing space is provided inside the housing, activated carbon is provided in the housing space, the housing is provided with a first opening for connecting a catalytic combustion device, wherein the catalytic combustion device performs catalytic regeneration on the activated carbon in the housing space when the first opening is connected with the catalytic combustion device.
8. The exhaust gas treatment device of claim 1, further comprising:
the second pressure drop measuring device is used for measuring the voltage difference between two ends of the exhaust gas treatment device;
and the second alarm device is connected with the second pressure drop measuring device and is used for alarming when the voltage difference between two ends of the waste gas treatment device reaches a second difference value threshold.
9. A paint spraying system, characterized by the exhaust gas treatment apparatus according to any one of claims 1 to 8 and a paint spraying apparatus as the external apparatus.
10. The paint spray system of claim 9 wherein said paint spray apparatus is provided with fly wing doors on both sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223599842.2U CN219272510U (en) | 2022-12-30 | 2022-12-30 | Exhaust gas treatment equipment and paint spraying system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223599842.2U CN219272510U (en) | 2022-12-30 | 2022-12-30 | Exhaust gas treatment equipment and paint spraying system |
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| Publication Number | Publication Date |
|---|---|
| CN219272510U true CN219272510U (en) | 2023-06-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223599842.2U Active CN219272510U (en) | 2022-12-30 | 2022-12-30 | Exhaust gas treatment equipment and paint spraying system |
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| CN (1) | CN219272510U (en) |
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- 2022-12-30 CN CN202223599842.2U patent/CN219272510U/en active Active
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